US2003211848A1PendingUtilityA1

System and method for providing service negotiation during a hard handoff of a mobile station in a wireless communication system

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Assignee: SAMSUNG ELECTRONICS CO LTDPriority: May 9, 2002Filed: May 9, 2002Published: Nov 13, 2003
Est. expiryMay 9, 2022(expired)· nominal 20-yr term from priority
Inventors:Purva RajkotiaYi ChouWilliam SemperJoseph R. Cleveland
H04W 36/08H04W 28/18H04W 36/12H04W 36/0061H04W 28/24H04W 36/0033H04W 36/38
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Claims

Abstract

A system and method is disclosed for providing service negotiation during a hard handoff of a mobile station to a target base station in a wireless communication system. The target base station negotiates a Service Option with the mobile station using service negotiation messages. The mobile station receives the Service Option from the target base station and uses the Service Option to communicate with the target base station. The target base station and the mobile station each comprise a service negotiation controller that is capable of exchanging service negotiation messages to negotiate the Service Option for the mobile station.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . For use in a wireless communication system comprising at least two base stations and a mobile station, an apparatus for providing service negotiation with a mobile station during a hard handoff of said mobile station in said wireless communication system, said apparatus comprising: 
 a target base station that is capable of providing a service option to a mobile station; and    a mobile station that is capable of receiving said service option from said target base station.    
     
     
         2 . The apparatus as claimed in  claim 1  wherein said target base station is capable of determining whether a service option of said mobile station and a service option of said target base station are identical service options.  
     
     
         3 . The apparatus as claimed in  claim 2  wherein said target base station is capable of negotiating a service option with said mobile station when said target base station determines that a service option of said mobile station and a service option of said target base station are not identical service options.  
     
     
         4 . The apparatus as claimed in  claim 1  wherein said target base station is capable of sending at least one first service negotiation message to said mobile station to negotiate a service option for said mobile station.  
     
     
         5 . The apparatus as claimed in  claim 4  wherein said at least one first service negotiation message comprises a service request message that comprises service option information.  
     
     
         6 . The apparatus as claimed in  claim 4  wherein, in response a to receiving said at least one first service negotiation message from said target base station, said mobile station is capable of sending at least one second service negotiation message to said target base station to accept a service option from said target base station.  
     
     
         7 . The apparatus as claimed in  claim 6  wherein said at least one second service negotiation message comprises a service response message that comprises service option information.  
     
     
         8 . The apparatus as claimed in  claim 7  wherein said target base station is capable of sending at least one service connect message to said mobile station.  
     
     
         9 . The apparatus as claimed in  claim 8  wherein said mobile station is capable of sending at least one service connect completion message to said target base station.  
     
     
         10 . The apparatus as claimed in  claim 1  wherein said target base station comprises a service negotiation controller that is capable of sending at least one service negotiation message to said mobile station to provide a service option to said mobile station; and 
 wherein said mobile station comprises a service negotiation controller that is capable of receiving at least one service negotiation message from said target base station to receive said service option from said target base station.  
 
     
     
         11 . The apparatus as claimed in  claim 1  wherein said target base station is capable of sending to said mobile station one of: a service request message and a service connect message.  
     
     
         12 . The apparatus as claimed in  claim 11  wherein said mobile station is capable of sending to said target base station one of: a service response message and a service connect completion message.  
     
     
         13 . For use in a wireless communication system comprising at least two base stations and a mobile station, a method for providing service negotiation with a mobile station during a hard handoff of said mobile station in said wireless communication system, said method comprising the steps of: 
 providing a service option to a mobile station from a target base station; and    receiving said service option in said mobile station from said target base station.    
     
     
         14 . The method as claimed in  claim 13  further comprising the step of: 
 determining in said target base station whether a service option of said mobile station and a service option of said target base station are identical service options.  
 
     
     
         15 . The method as claimed in  claim 14  further comprising the step of: 
 negotiating a service option with said mobile station when said target base station determines that a service option of said mobile station and a service option of said target base station are not identical service options.  
 
     
     
         16 . The method as claimed in  claim 13  further comprising the step of: 
 sending at least one first service negotiation message from said target base station to said mobile station to negotiate a service option for said mobile station.  
 
     
     
         17 . The method as claimed in  claim 16  wherein said at least one first service negotiation message comprises a service request message that comprises service option information.  
     
     
         18 . The method as claimed in  claim 16  further comprising the step of: 
 in response to receiving in said mobile station said at least one first service negotiation message from said target base station, sending at least one second service negotiation message from said mobile station to said target base station to accept a service option from said target base station.  
 
     
     
         19 . The method as claimed in  claim 18  wherein said at least one second service negotiation message comprises a service response message that comprises service option information.  
     
     
         20 . The method as claimed in  claim 19  further comprising the step of: 
 sending at least one service connect message from said target base station to said mobile station.  
 
     
     
         21 . The method as claimed in  claim 20  further comprising the step of: 
 sending at least one service connect completion message from said mobile station to said target base station.  
 
     
     
         22 . The method as claimed in  claim 13  further comprising the steps of: 
 sending at least one service negotiation message from a service negotiation controller of said target base station to said mobile station to provide a service option to said mobile station; and  
 receiving at least one service negotiation message from said target base station in a service negotiation controller of said mobile station to receive said service option from said target base station.  
 
     
     
         23 . The method as claimed in  claim 13  further comprising the step of: 
 sending from said target base station to said mobile station one of: a service request message and a service connect message.  
 
     
     
         24 . The method as claimed in  claim 23  further comprising the steps of: 
 sending from said mobile station to said target base station one of: a service response message and a service connect completion message.

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